Asparagus growers should consider scouting their fields during the summer months for foliar disease development. Important pathogens that growers need to scout for on a regular basis include Purple spot, Cercospora, and Rust. [Read more…]
July 3, 2017 Andy Wyenandt
Cucurbit Downy Mildew ALERT – 7/3/17
Cucurbit downy mildew was confirmed on cucumber in southern New Jersey (Cumberland County) today. This is the second report of CDM in New Jersey this growing season. All cucumber growers in NJ are encouraged to add downy mildew specific fungicides to their weekly maintenance spray programs. All growers should scout cucumber plantings as well as all other cucurbit crops for symptoms. CDM has also been reported on cucumber in MD, DE, and PA. To track the progress of cucurbit downy mildew in the US through the CDMpipe website through NCSU please click here.
June 28, 2017 Andy Wyenandt
Vegetable Disease Update – 6/28/17
- Bacterial leaf spot has been reported in pepper and cucumber.
- Cucurbit downy mildew has been confirmed on cucumber in New Jersey.
- Basil downy mildew has been reported in central New Jersey.
- There have been no new reports of Late blight on tomato or potato in the past week.
June 28, 2017 Andy Wyenandt
Cucurbit Downy Mildew ALERT – 6/28/17
Cucurbit downy mildew was confirmed on cucumber in southern New Jersey (Salem County) today. This is the first report of CDM in New Jersey this growing season. All cucumber growers are encouraged to add downy mildew specific fungicides to their weekly maintenance spray programs. All growers should scout cucumber plantings as well as all other cucurbit crops for symptoms. CDM was reported late last week in on cucumber in Maryland (Dorchester County). To track the progress of cucurbit downy mildew in the US through the CDMpipe website through NCSU please click here.
June 13, 2017 Andy Wyenandt
Vegetable Disease Update – 6/14/17
- The extremely hot weather we are currently experiencing is likely to spur on Phytophthora blight development in pepper, tomato, cucurbit, and eggplant crops. For more on controlling Phytophthora blight click here.
- Suncald has been reported in newly transplanted peppers in south Jersey. Transplants laying against or on black plastic mulch; or in even some cases where the sun reflects off the mulch or soil, can cause sunburn on stems of plants that haven’t fully hardened off. Avoid transplanting on extremely hot and sunny days.
- Bacterial leaf spot was reported in tomato this past week.
- Downy mildew has been reported as far north as Northern Florida on multiple cucurbit crops and on cucumber in South Carolina and North Carolina to date.
- There have been no new reports of Late blight in the past week.
June 7, 2017 Andy Wyenandt
Vegetable Disease Update – 6/7/17
- Pythium root rot has been reported in multiple crops across the state. Unfortunately, the prolonged, wet weather across most of New Jersey has been ideal for its development. There are a number of options for early-season control of pre- and post emergent damping-off pathogens. For more information click here.
- Downy mildew has been reported as far north as Northern Florida on multiple cucurbit crops and on cucumber in South Carolina and North Carolina on 6/6/17.
- There have been no new reports of Late blight in the Southeast.
